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Question 30191
JEE Physics · Hard

Errors and Measurements: Absolute Error — Advanced MCQ

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Absolute Error — AdvancedHardQuestion 30191

Question

If a result is (4.0 ± 0.2) and another is (3.0 ± 0.1), then their product and percentage error are:
  1. A
    12.0 ± 7.3%
  2. B
    12.0 ± 5%
  3. C
    12.0 ± 8.3%
    Correct
  4. D
    12.0 ± 3%

Correct answer

12.0 ± 8.3%

Explanation

%error in product = (0.2/4.0 + 0.1/3.0) × 100 = 5% + 3.33% = 8.33% ≈ 8.3%.

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